Vasomotor rhinitis. This is a non-allergic rhinitis that can be triggered by multiple causes, including spicy food, stress, temperature extremes, and pungent odors. The "non-spicy" food may have ingredients that have this effect, as some spices can do that without tasting "spicy.".

Neural response. This phenomenon is usually not allergy. It is most commonly the result of a central triggering of the vagus nerve. This nerve innervates both the blood vessels and the mucus glands of the nasal mucosa. It is possible that an anti-cholinergic nasal spray might control the rhinnorhea (runny nose). It is a perfectly benign condition.
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Neural response. This phenomenon is usually not allergy. It is most commonly the result of a central triggering of the vagus nerve. This nerve innervates both the blood vessels and the mucus glands of the nasal mucosa. It is possible that an anti-cholinergic nasal spray might control the rhinnorhea (runny nose). It is a perfectly benign condition.
Read more...